/pich"meuhn/ , n. , pl. pitchmen .
1. an itinerant vendor of small wares that are usually carried in a case with collapsible legs, allowing it to be set up or removed quickly.
2. any high-pressure salesperson, as one at a concession at a fair or carnival.
3. a person who delivers a message on radio or television, as for a product, cause, etc.
[ 1925-30, Amer.; PITCH 1 + -MAN ]